ElectricFish {abd} | R Documentation |
Electric Fish
Description
Species abundance of electric fish upstream and downstream of the entrance of a tributary in the Amazon basin.
Format
A data frame with 12 observations on the following 3 variables.
- tributary
a character vector
- species.upstream
a numeric vector of the number of species of electric fish present upstream of the tributary
- species.downstream
a numeric vector of the number of species of electric fish present downstream of the tributary
Source
Fernandes, C.C., J. Podos, and J.G. Lundberg. 2004. Amazonian ecology: tributaries enhance the diversity of electric fishes. Science 305: 1960-1962.
References
http://www.sciencemag.org/cgi/content/abstract/305/5692/1960
Examples
ElectricFish
require(grid)
xyplot(species.upstream ~ species.downstream, data = ElectricFish,
panel=function(x, y, ...){
grid.text(ElectricFish$tributary, x=x, y=y,
rot = 45,
gp = gpar(cex=.6),
default.units = 'native')
}
)
[Package abd version 0.2-8 Index]